How many pairs of prime numbers are there to express 18 as the sum of two prime numbers?
Asked by Topperlearning User
| 21st Apr, 2014,
03:15: PM
Expert Answer:
Two pairs of prime numbers exist:
5 + 13 = 18 and 7 + 11 = 18.
Answered by
| 21st Apr, 2014,
05:15: PM
- 70=2×5×7
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